Serena Sinclair is a Sim who made her first appearance in The Sims 4: Spa Day. She appears in the official trailer and other merchandise for the game. She can be found in the Gallery under the EA Account ID MaxisCreator_01.
Life Leading Up to The Sims 4Edit
Sierra appears in many trailers and renders of Get to Work. She plays the spa-goer in the trailers and the renders. A promotional screenshot released by EA implies that she has a husband and daughter, but they are not present in the Gallery.
Although Serena has blonde hair, her eyebrows are brown, which implies that she may have dyed her hair blonde.